JBIArmory is offering our Costal Guns Xtreme Duty 556 1/2-28 direct mount suppressor for 425.00 plus tax and stamp. We will assist you on a NFA trust and all paper work will be complete, and you will walk out with a form 4, certificate of compliance in a pre paid USPS Priority Envelope. Current lead times 4-5 months and shrinking.